<?php

namespace App\Http\Controllers\Admin;

use App\Http\Requests\ArticleRequest;
use App\Library\R;
use App\Models\Article;
use App\Models\Category;
use App\Models\Tag;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;

class ArticleController extends Controller
{
    /**
     * Display a listing of the resource.
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //分类
        $categorys = Category::with('allChilds')->where('parent_id', 0)->orderBy('sort', 'desc')->get();
        return view('admin.article.index', compact('categorys'));
    }

    public function data(Request $request)
    {
        $model = Article::query();
        if ($request->get('category_id')) {
            $model = $model->where('category_id', $request->get('category_id'));
        }
        if ($request->get('title')) {
            $model = $model->where('title', 'like', '%' . $request->get('title') . '%');
        }
        $res = $model->orderBy('created_at', 'desc')->with(['tags', 'category'])->paginate($request->get('limit', 30))->toArray();

        return $this->table($res['data'], $res['total']);
    }

    /**
     * Show the form for creating a new resource.
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //分类
        $categorys = Category::with('allChilds')->where('parent_id', 0)->orderBy('sort', 'desc')->get();
        //标签
        $tags = Tag::get();
        return view('admin.article.create', compact('tags', 'categorys'));
    }

    /**
     * Store a newly created resource in storage.
     * @param  \Illuminate\Http\Request $request
     * @return \Illuminate\Http\Response
     */
    public function store(ArticleRequest $request)
    {
        $data = $request->only(['category_id', 'title', 'keywords', 'description', 'content', 'thumb', 'click']);
        $article = Article::create($data);
        if ($article && !empty($request->get('tags'))) {
            $article->tags()->sync($request->get('tags'));
        }
        return redirect(route('admin.article'))->with(['status' => '添加成功']);
    }

    /**
     * Display the specified resource.
     * @param  int $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //dd(\EditormdParse::parse($data['content']));
    }

    /**
     * Show the form for editing the specified resource.
     * @param  int $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $article = Article::with('tags')->findOrFail($id);
        if (!$article) {
            return redirect(route('admin.article'))->withErrors(['status' => '文章不存在']);
        }
        //分类
        $categorys = Category::with('allChilds')->where('parent_id', 0)->orderBy('sort', 'desc')->get();
        //标签
        $tags = Tag::get();
        foreach ($tags as $tag) {
            $tag->checked = $article->tags->contains($tag) ? 'checked' : '';
        }
        return view('admin.article.edit', compact('article', 'categorys', 'tags'));

    }

    /**
     * Update the specified resource in storage.
     * @param  \Illuminate\Http\Request $request
     * @param  int $id
     * @return \Illuminate\Http\Response
     */
    public function update(ArticleRequest $request, $id)
    {
        $article = Article::with('tags')->findOrFail($id);
        $data = $request->only(['category_id', 'title', 'keywords', 'description', 'content', 'thumb', 'click']);
        if ($article->update($data)) {
            $article->tags()->sync($request->get('tags', []));
            return redirect(route('admin.article'))->with(['status' => '更新成功']);
        }
        return redirect(route('admin.article'))->withErrors(['status' => '系统错误']);
    }

    /**
     * Remove the specified resource from storage.
     * @param  int $id
     * @return \Illuminate\Http\Response
     */
    public function destroy(Request $request)
    {
        $ids = $request->get('ids');
        if (empty($ids)) {
            return $this->error('请选择删除项');
        }
        $article = Article::whereIn('id', $ids)->get();
        foreach ($article as $model) {
            //清除中间表数据
            $model->tags()->sync([]);
            //删除文章
            $model->delete();
        }
        return $this->success('删除成功');
    }

}
